Extra Space Storage is a self-storage real estate investment trust (REIT) that owns and operates over 1,900 self-storage properties across the United States. The company's properties are located in 40 states and Washington, D.C., and offer a range of storage options, including climate-controlled units, drive-up access units, and outdoor vehicle storage. Extra Space Storage is committed to providing its customers with a high-quality storage experience, and offers a range of amenities and services to meet their needs. The company is also committed to sustainability, and has implemented a number of initiatives to reduce its environmental impact.